Unicorn-binance-websocket-api

Fixed
- reference of api_key and secret in connection class

Added
- Isolated margin endpoints [issue 109](https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/issues/109)
- Support for `arrs1` [issue 101](https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/issues/101)
- Added `symbol` to `print_stream_info()`
- Added `api_key` and `api_secret` to `create_stream()` [issue 84](https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/issues/84)

Added
- Restart to ssl.SSLError exception in connection
Removed
- error 2 code [PR 98](https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/pull/98) (Thanks Flowelcat)

Added
- Restart again if OSError in `BinanceWebSocketApiConnection()`
Changed
- Logging in `BinanceWebSocketApiConnection()`

Changed
- Loglevels
Fixed
- Fixed exception that thrown when api key is real but was deleted from binance. [PR 96](https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/pull/96) (Thanks Flowelcat)
- Package configuration is wrong. Currently one needs to have the bin-folder of the venv in the PATH. That is not feasible since you often have one venv per project. [PR 97](https://github.com/LUCIT-Systems-and-Development/unicorn-binance-websocket-api/pull/97) (Thanks uggel)

- REMOVED